Observations of solar cosmic rays using cubesat nanosatellites

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Abstract

We discussed the possibilities of using cubesat nanosatellites for studying solar cosmic rays. SCR electron fluxes in the polar caps at an altitude of ~550 km were detected. The measurements were carried out with DeCoR scintillation detectors operated at several cubesats of Moscow State University during the solar cosmic ray event on September 6–21, 2022.

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About the authors

A. V. Bogomolov

Lomonosov Moscow State University

Author for correspondence.
Email: aabboogg@srd.sinp.msu.ru
Russian Federation, Moscow

V. V. Bogomolov

Lomonosov Moscow State University

Email: aabboogg@srd.sinp.msu.ru
Russian Federation, Moscow

A. F. Iyudin

Lomonosov Moscow State University

Email: aabboogg@srd.sinp.msu.ru
Russian Federation, Moscow

V. E. Eremeev

Lomonosov Moscow State University

Email: aabboogg@srd.sinp.msu.ru
Russian Federation, Moscow

Yu. K. Zaiko

Lomonosov Moscow State University

Email: aabboogg@srd.sinp.msu.ru
Russian Federation, Moscow

V. V. Kalegaev

Lomonosov Moscow State University

Email: aabboogg@srd.sinp.msu.ru
Russian Federation, Moscow

I. N. Myagkova

Lomonosov Moscow State University

Email: aabboogg@srd.sinp.msu.ru
Russian Federation, Moscow

V. I. Osedlo

Lomonosov Moscow State University

Email: aabboogg@srd.sinp.msu.ru
Russian Federation, Moscow

O. Yu. Peretyatko

Lomonosov Moscow State University

Email: aabboogg@srd.sinp.msu.ru
Russian Federation, Moscow

S. I. Svertilov

Lomonosov Moscow State University

Email: aabboogg@srd.sinp.msu.ru
Russian Federation, Moscow

I. V. Yashin

Lomonosov Moscow State University

Email: aabboogg@srd.sinp.msu.ru
Russian Federation, Moscow

A. P. Papkov

Research Laboratory of Aerospace Engineering

Email: aabboogg@srd.sinp.msu.ru
Russian Federation, Kaluga

S. V. Krasnopeev

Research Laboratory of Aerospace Engineering

Email: aabboogg@srd.sinp.msu.ru
Russian Federation, Kaluga

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2. Fig. 1. Time dependences of the intensity of gamma rays (grey dots) and electrons (black solid line) from the data of the DeKoR instrument installed on the VDNKh-80 cubesat before (upper panel) and after (lower panel) the SCR arrival in September 2022. The dashed-dotted line in all panels shows the time dependence of the McIlwain parameter L

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3. Fig. 2. Profile of the event observed in solar cosmic rays in September 2022 on the ACE satellite (black dots (1), electrons with energies 175-315 keV) and on the DECART cubesat (measurements were made in the northern (crosses) and southern (rhombuses) polar caps, electrons with energies > 300 keV)

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